USB 3.0 to RJ45 Gigabit Ethernet Network Adapter, TECHTOO LAN Wired Converter Network Card for Apple Macbook Pro Air, Imac, Mac, Chromebook Pixel, Microsoft Surface Pro, Lenovo Yoga, Laptop, Ultrabook USB 3.0 male A to RJ45 female adapter supporting 10/100/1000 Ethernet at USB 3.0 speeds For adding a wired network interface to a wireless-only system, replace a bad port, for higher performance, or for peer-peer use Drivers for Mac OS X 10.6+, Windows 8, 7, Vista, XP. Not Wii compatible Powered via USB - no external power adapter needed, automatically saves power when Ethernet cable is unplugged IEEE 802.3, 802.3u, and 802.3ab standards (10Base-T, 100Base-TX, and 1000Base-T) compatible